# -*- coding: utf-8 -*-
# @Time    : 2023/11/19
# @Author  : Yangyali
#
import sys

import pygame

pygame.init()
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption("12-1")
bg_color = (0,0,255)
screen.fill(bg_color)
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
    pygame.display.flip()